OPERATORS · RRC 213310 · P-5 STATUS Y
Delta American Oil Co
Corpus Chrsti, TX
Watch this operatorDelta American Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued October 1, 1985.
The RRC wellbore file lists 1 well under its operatorship.
12 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed December 3, 1991.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 1 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 33%
- spud rate · 4 of 12 mature permits
- 30
- median days permit to spud · middle half 26–51
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 8
- expired undrilled
- 2
- permits a year over 8 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Calhoun county → | — | 6 | 1 | Oct 1, 1985 |
| Nueces county → | — | 4 | 0 | Jun 17, 1983 |
| DE Witt county → | — | 1 | 0 | Nov 19, 1981 |
| Duval county → | — | 1 | 0 | Jun 15, 1984 |
All 12 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| No completion tops on file. | ||
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 0
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 1
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 1
- plugged
How it got them
- 0
- permitted itself
- 1
- acquired from others
- 3
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 11 |
| Recompletion | 0 | 0 | 1 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Port Lavaca W. (7860)72439500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Dec 3, 1991
- Address
- 1135 the 600 Bldg.
- Corpus Chrsti, TX 78473
- Officers and agents
- Griesbach, John P. · President
- Griesbach, Mrs. J. K. · Vice President
- Pearce, Marshall W. · Secretary/Treasurer
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 286357 | Oct 1, 1985 | Oct 1, 1985 | Delta American Oil Co. | Calhoun | Hobizal, W. #1 | 6,500 | 05731401 |
| 242170 | Jun 15, 1984 | Jun 15, 1984 | Delta American Oil Co. | Duval | Villarreal, O. #1 | 5,600 | 13136478 |
| 199207 | Jun 17, 1983 | Jun 17, 1983 | Delta American Oil Co. | Nueces | Norton, Joslin #1 | 7,620 | 35531316 |
| 141168 | Nov 19, 1981 | Nov 19, 1981 | Delta American Oil Co. | DE Witt | Rangnow, L. #1 | 7,542 | 12331197 |
| 137065 | Oct 19, 1981 | Oct 19, 1981 | Delta American Oil Co. | Calhoun | Clark, A.L. et AL #01 | 9,175 | 05731129 |
| 59835 | Oct 5, 1979 | Oct 5, 1979 | Delta American Oil Co. | Calhoun | Scott, P. et AL #1 | 6,300 | 05730944 |
| 45530 | Apr 2, 1979 | Apr 2, 1979 | Delta American Oil Co. | Calhoun | Canion-Wilson Unit #1 | 8,012 | 05730905 |
| 32352 | Sep 11, 1978 | Sep 11, 1978 | Delta American Oil Co. | Calhoun | Wehmeyer, Henry C., et AL #2 | 8,035 | 05730869 |
| 32320 | Sep 11, 1978 | Sep 11, 1978 | Delta American Oil Co. | Calhoun | Meeks, D. W., et AL #2 | 8,200 | 05730868 |
| 29160 | Jul 26, 1978 | Jul 26, 1978 | Delta American Oil Co. | Nueces | Joslin-Norton #1 | 7,650 | 35531316 |
| 29154 | Jul 26, 1978 | Jul 26, 1978 | Delta American Oil Co. | Nueces | Joslin, Ennis #1 | 7,596 | 35531315 |
| 11697 | Nov 9, 1977 | Nov 9, 1977 | Trident Corporation | Calhoun | Wehmeyer, Henry C. et AL #1 | 8,500 | 05730795 |
| 11581 | Nov 8, 1977 | Nov 8, 1977 | Delta American Oil Co. | Nueces | Gallagher, B. J. #1 | 8,112 | 35531209 |
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/213310, documented in the API reference.